Siemens | JD22M400L | Circuit Breaker | 2-Pole | 240V

The Siemens JD22M400L is a two-pole, 240-volt circuit breaker engineered for dependable protection in electrical panels. Designed for maintenance, retrofit, and replacement projects, this OEM part ensures you’re matching the exact specifications needed for safe, reliable operation.

Why this JD22M400L stands out

• Precise two-pole, 240V protection: Ideal for circuits that require robust, coordinated protection across both live conductors.
• OEM reliability: Built to Siemens’ exacting standards, offering mechanical fit and electrical characteristics that align with your existing system.
• Clear compatibility reference: The part number JD22M400L is the best reference for ensuring a correct fit in compatible panels and configurations.
• Maintenance-friendly: A straightforward replacement option that minimizes downtime during servicing or upgrades.

Use cases and who benefits

• Replacement: Swap out a failed breaker in a Siemens-equipped panel with an exact, spec-matching unit to restore protected circuits quickly.
• Retrofit and modernization: Update older panels that require a 2-pole, 240V breaker without altering the existing electrical architecture.
• Routine maintenance: Keep a spare JD22M400L on hand for fast, compliant replacements during service windows.

Compatibility and installation tips

Before ordering, verify fit and ratings on your panel label. The JD22M400L is the definitive reference for compatibility—use the part number to cross-check with your panel’s catalog or listing. If your system specifies a 2-pole, 240V breaker in Siemens gear, this unit is designed to meet that requirement.

Specifications at a glance

• Poles: 2-Pole
• Voltage: 240V
• Part number: JD22M400L
• Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Practical considerations for best results

When planning a replacement or retrofit, consider scheduling during a maintenance window to minimize downtime. Have the exact part on hand, along with any panel-specific documentation, to streamline installation and ensure the breaker’s protection profile aligns with downstream circuits. This Siemens JD22M400L is purpose-built to deliver reliable performance in the contexts that demand precise, compliant circuit protection.